Tow Tractors- QDD20/30/50/60/100

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MODEL		QDD20	QDD30	QDD50	QDD60	QDD100
Drive type		Electric
Operation type		Seat
Rated traction weight (60 minutes rated)	kg	2000	3000	5000	6000	10000
Rated traction (60 minutes rated)	N/kg	500/50	750/75	1250/125	1500/150	500/50
Max. traction (5 minutes rated)	N/kg	2000/200	3000/300	5000/500	6000/600	1000/1000
Drawbar center height	h1/h2(mm)	280/350	280/350	280/350	280/350	320/400
Weight	kg	930	980	1160	1280	1160
Axle loading, front	kg	330	350	410	450	750
Axle loading, rear	kg	600	630	750	830	1440
Wheelbase	L1(mm)	1170	1170	1280	1280	1320
Rear hanging distance	L2(mm)	350	350	450	450	600
Tread,front	W2(mm)	0	0	0	0	920
Tread,rear	W1(mm)	860	860	946	946	970
Seat height	h3(mm)	850	850	910	910	1050
Overall length	L (mm)	1720	1720	1940	1940	2485
Overall width	W(mm)	970	970	1100	1100	1160
Overall height	h (mm)	1250	1250	1250	1250	1480
Min. turning radius	Wa (mm)	1519	1519	1650	1650	2200
Travel speed, laden/unladen	km/h	8/13	7/13	8/14	7/14	6.5/7
Brake		Mechanical, Hydraulic
Voltage	V	48	48	48	48	48
Capacity	Ah	240	270	360	400	540
Battery weight	kg	350	400	530	610	950
Travel control		Microcomputer mostefet
Traction bolt		Traction bolt

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Advantages:

SAFETY AND STABILITY:

●Multi-function display: battery status, hour meter, erro code etc.

●The application of hand brake and hydraulic brake improve the safety level of truck.

●Stepless speed control.

●Equipped with adjustable steering wheel, adapted to different operators.

●Advance linking system is designed with orienting and fixing bracket to the trailer.

●Low noise.

STRUCTURAL:

●”H” type axle design gives a good stability.

●Batteries located in the lowest part of frame ensures tow tractor excellent stability because of low centre of gravity.

●Automatic reset make operation easier.

SERVICEABILITY:

●CANbus technology reduces wiring complexity and increase reliability.

●The back cover is easy to open for maintenance and replacement of parts such as drive wheel, oil tube, accelerator, controller etc.

Q: What is the proof of working in mechanical design?: Outline first Ⅲ part, is to the qualification examination examination form, time, attention, and the structure of test paper, test question distribution, topic topic quantity, and degree of difficulty of related regulations and instructions.

Q: What are the potential defects of the automated material handling system?: In manufacturing and material handling, the automatic pilot (AGV) has become increasingly familiar. But the shuttle, which is introduced here, is based on the equipment that automatically carries the material in the path of the orbit. Machine commonly used in existent shelves, existent shelves for its high space utilization, accepted by a lot of storage and transportation unit, but forklift truck into the tunnel, because the space is narrow, there are shelves safe hidden trouble. In addition, using forklift and human handling inefficient, high cost, on the basis of the original shelves introducing automation machine, in order to improve the automatization level of the whole line production storage and transportation.

Q: What is a forklift? Forklifts are special equipment: Project code: N2 See the general administration of quality inspection (aqsiq) for the announcement of the "special equipment catalogue" in 2014 Definition of special motor vehicle in field (factory) : Special motor vehicles, in the field (factory) is refers to besides the road traffic, agricultural vehicles in the plant, scenic spots, only used in certain area such as amusement places of special motor vehicles.

Q: The wear-resisting parts in the broken machine are mainly the direct contact with the material: There are many different types of crusher and different performance. For example: the jaw is broken, the hammer is broken, the fight is broken, the cone is broken... It is. Wear-resisting material is different also, also need according to the material hardness, strength of the material that is broken, the choice is ok. Material: white iron, alloy white iron (high chromium cast iron), high manganese steel, alloy steel (high, medium, low carbon and alloy)... It is. Prices are different because of different materials. Otherwise "overqualified person" not to calculate, "small material big use" not only use not, also do not calculate.

Q: Why should we emphasize unitization and standardization in material handling: Reducing the degree of climate impact, ensuring normal work, accelerating the flow of goods and improving efficiency. 1) logistics base module The logistics base modulus is the minimum size of the standard size of the logistics system. In basic module size was determined, the size of the various specific standards, should be based on basic module size, select the integer times to the prescribed standards for size, foundation modulus size is determined, just a standard size in multiple choice, it can be used as a standard of other size.

Q: What is the material handling and handling equipment?: Lifting equipment Small lifting equipment | gantry crane | | bridge cantilever crane | 2 vertical mechanical unit transportation equipment | gravity conveyor power conveyor parts | | | other comprehensive transportation system

Q: The function of material handling: Material handling USES all kinds of power and transport machinery to keep the material, such as count, punctually, safely, economically, and to the designated place. It is closely related to the choice of site selection and professional cooperation in the outside material handling machinery factory.

Q: The beneficial effect of material handling machinery: Material handling machinery is serving the production, its design and type selection should be subject to the needs of the production process, new material handling machinery but also often leads to the change and improvement of the manufacturing process. For example, the emergence of bucket wheel stacker reclaimer, formed the bucket wheel stacker reclaimer for heart, belt conveyor for blood vessels, the electronic computer is the nerve center of automation of large bulk material handling system, which changes the ports, mines and the layout of the power plant and so on of the bulk yard; It can simplify the structure of the factory and reduce the cost of construction.

Q: Material handling system in the factory: The machinery factory's internal logistics system involves the production plan, process flow, moving operation, warehouse management, information system and so on.

Q: What is the relevant content of the flow of materials, storage and usage: The transport system, the choice of carrying technology and equipment. To some extent determine the distribution and operation of the production logistics system. And the efficiency, complexity, size and economic effect of the production system are very strong. The important problem in production logistics is choosing the right transport equipment. These devices should be able to adapt to the nature, weight, shape, size and material flow of the moving material. We need to keep the fixed investment of the equipment low, and we need to meet the demand for moving. There are several kinds of moving, intermittent, and round-trip, which are divided into horizontal, oblique, vertical or two-dimensional direction. Other transport requirements include: channel flow shunt, location stop, high-speed moving, product placement, etc. Also consider moving objects and environments such as forming, powder, drying environment and cleaning environment. Finally, the mode of carrying, the combination of the equipment and the quantity of the specification are determined. The speed requirements of the transport are based on the production beat.

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